The La Grange is a gold mine located in Stanislaus county, California at an elevation of 174 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 174 Feet (53 Meters)
Commodity: Gold
Lat, Long: 37.66639, -120.46944
Map: View on Google Maps
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
La Grange MRDS details
Site Name
Primary: La Grange
Secondary: Tuolumne River
Commodity
Primary: Gold
Secondary: Platinum
Tertiary: Iridium
Tertiary: Osmium
Location
State: California
County: Stanislaus
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: Tuolumne Gold Dredging Corp.
Years: 1945 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Deposit Type: Stream Placer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: M
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Trough
Mineral Deposit Model
Model Name: Placer Au-PGE
Orebody
Form: STREAM SEDIMENT DEPOSITS
Structure
Not available
Alterations
Not available
Rocks
Name: Gravel
Role: Host
Age Type: Host Rock Unit
Age Young: Eocene
Name: Gravel
Role: Host
Age Type: Host Rock
Age Young: Holocene
Analytical Data
Analytical Data: PGE SAMPLES AVERAGED: 72% PT, 18% OSMIRIDIUM (LOGAN)
Materials
Ore: Gold
Comments
Comment (Location): LOCATION GIVEN IS FOR MILE 50 MARKER ON RIVER NEAR TOWN OF LA GRANGE, SHOWN ON LA GRANGE TOPO MAP
Comment (Production): 0.00003 OZ/TON (1 PPB) PT. IN 1920'S AU = $.116/YD BUT LATER RECOVERIES WERE PROBABLY LESS
Comment (Deposit): A PLEISTOCENE RIVER CHANNEL 2 MI SOUTH OF LA GRANGE WAS ALSO DREDGED 1.5 MI LONG AND 0.25 MI WIDE.
Comment (Workings): HYDRAULIC AND DREDGING
Comment (Geology): FALSE BEDROCK OF VOLCANIC ASH
References
Reference (Deposit): CLARK, W.B., 1970, GOLD DISTRICTS OF CALIFORNIA: CALIFORNIA DIVISION OF MINES AND GEOLOGY BULLETIN 193, P. 85-86.
Reference (Deposit): LOGAN, C.A., 1919, PLATINUM AND ALLIED METALS IN CALIFORNIA: CALIFORNIA DIVISION OF MINES BULLETIN 85, P. 33
Reference (Deposit): CLARK, W.B., 1970, PLATINUM: CALIFORNIA DIVISION OF MINES AND GEOLOGY MINERAL INFORMATION SERVICE, V. 23, NO. 6, P. 115-123.
California Gold
"Where to Find Gold in California" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in California. Read more: Where to Find Gold in California.
